diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index a92b11999e5f..72637d5994d8 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -252,6 +252,9 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
 		return -EOPNOTSUPP;
 	}
 
+	if (!size)
+		return -EINVAL;
+
 	lock_sock(sk);
 	if (!sk->sk_bound_dev_if)
 		dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);